include(BuildVeyonPlugin)

if(NOT VEYON_X11VNC_EXTERNAL)

find_package(LibVNCServer 0.9.8)
if(NOT LibVNCServer_FOUND)
	### BEGIN: libvncserver configuration
	include(LibVNCServerIntegration)

	set(_RFB_RFBCONFIG_H TRUE)
	set(LIBVNCSERVER_HAVE_LIBJPEG TRUE)
	set(LIBVNCSERVER_HAVE_LZO TRUE)
	set(LIBVNCSERVER_HAVE_LIBPNG TRUE)
	set(LIBVNCSERVER_HAVE_LIBPTHREAD TRUE)
	set(LIBVNCSERVER_HAVE_LIBZ TRUE)
	set(LIBVNCSERVER_HAVE_LIBSSL TRUE)
	set(LIBVNCSERVER_ALLOW24BPP TRUE)
	set(LIBVNCSERVER_IPv6 TRUE)
	### END: libvncserver configuration

	# write libvncserver configuration header
	file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/${VEYON_CORE_INCLUDE_DIR}/rfb)
	configure_file(${CMAKE_SOURCE_DIR}/3rdparty/libvncserver/rfb/rfbconfig.h.cmakein ${CMAKE_BINARY_DIR}/${VEYON_CORE_INCLUDE_DIR}/rfb/rfbconfig.h @ONLY)

endif()

set(FULL_PACKAGE_NAME "Veyon")
set(PACKAGE_VERSION "${VERSION_STRING}")
set(VERSION_PATCHLEVEL "${VERSION_PATCH}")

# check for x11vnc requirements
set(FUNCS getpwnam getspnam getuid grantpt initgroups seteuid setegid setgid setsid setuid shmat waitpid)
foreach(_func ${FUNCS})
	string(TOUPPER "${_func}" fuc)
	check_function_exists(${_func} HAVE_${fuc})
endforeach()

check_c_source_compiles("static __thread int p = 0; int main() {}" HAVE_TLS)

# x11vnc header macros
check_include_files(linux/fb.h HAVE_LINUX_FB_H)
check_include_files(linux/input.h HAVE_LINUX_INPUT_H)
check_include_files(linux/uinput.h HAVE_LINUX_UINPUT_H)
check_include_files(linux/videodev.h HAVE_LINUX_VIDEODEV_H)
check_include_files(linux/videodev2.h HAVE_LINUX_VIDEODEV2_H)
check_include_files(netdb.h HAVE_NETDB_H)
check_include_files(netinet/in.h HAVE_NETINET_IN_H)
check_include_files(pwd.h HAVE_PWD_H)
check_include_files(sys/ioctl.h HAVE_SYS_IOCTL_H)
check_include_files(sys/stropts.h HAVE_SYS_STROPTS_H)
check_include_files(sys/wait.h HAVE_SYS_WAIT_H)
check_include_files(termios.h HAVE_TERMIOS_H)
check_include_files(utmpx.h HAVE_UTMPX_H)

find_package(X11 REQUIRED)

if(NOT X11_XTest_FOUND)
	message(FATAL_ERROR "XTest library or headers not found - please install libxtst-dev or libXtst-devel")
endif()

if(NOT X11_Xrandr_FOUND)
	message(FATAL_ERROR "Xrandr library or headers not found - please install libxrandr-dev or libXrandr-devel")
endif()

if(NOT X11_Xinerama_FOUND)
	message(FATAL_ERROR "Xinerama library or headers not found - please install libxinerama-dev or libXinerama-devel")
endif()

if(NOT X11_Xdamage_FOUND)
	message(FATAL_ERROR "Xdamage library or headers not found - please install libxdamage-dev or libXdamage-devel")
endif()

if(NOT X11_Xfixes_FOUND)
	message(FATAL_ERROR "Xfixes library or headers not found - please install libxfixes-dev or libXfixes-devel")
endif()

set(HAVE_X11 TRUE)
set(HAVE_XTEST TRUE)
set(HAVE_LIBSSL TRUE)
set(HAVE_LIBXINERAMA TRUE)
set(HAVE_LIBXRANDR TRUE)
set(HAVE_LIBXDAMAGE TRUE)
set(HAVE_LIBXFIXES TRUE)

if(X11_XShm_FOUND)
	set(HAVE_XSHM TRUE)
else()
	message("WARNING: XShm library or headers not found - building VNC server without XShm support")
endif()

if(X11_Xinput_FOUND)
	set(HAVE_XI2 TRUE)
else()
	message("WARNING: Xinput library or headers not found - building VNC server without Xinput support")
endif()

if(X11_Xcomposite_FOUND)
	set(HAVE_LIBXCOMPOSITE TRUE)
else()
	message("WARNING: Xcomposite library or headers not found - building VNC server without Xcomposite support")
endif()

if(X11_Xcursor_FOUND)
	set(HAVE_LIBXCURSOR TRUE)
else()
	message("WARNING: Xcursor library or headers not found - building VNC server without Xcursor support")
endif()

set(CMAKE_REQUIRED_LIBRARIES ${X11_LIBRARIES} ${X11_XTest_LIB})

check_function_exists(XReadScreen HAVE_SOLARIS_XREADSCREEN)
check_function_exists(FBPMForceLevel HAVE_FBPM)
check_function_exists(DPMSForceLevel HAVE_DPMS)
check_function_exists(XTestGrabControl HAVE_XTESTGRABCONTROL)
check_function_exists(XRecordEnableContextAsync HAVE_RECORD)
check_include_files(X11/extensions/readdisplay.h HAVE_IRIX_XREADDISPLAY)
check_include_files(X11/XKBlib.h HAVE_XKBLIB_H)
if(HAVE_XKBLIB_H)
	check_function_exists(XkbSelectEvents HAVE_XKEYBOARD)
endif()

set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_LIBRARIES})
check_function_exists(X509_print_ex_fp HAVE_X509_PRINT_EX_FP)

unset(CMAKE_REQUIRED_LIBRARIES)

set(X11VNC_CONFIG ${CMAKE_BINARY_DIR}/config.h)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config.h.in ${CMAKE_CURRENT_BINARY_DIR}/config.h @ONLY)
if(NOT LibVNCServer_FOUND)
set(libvncserver_SOURCES
	${libvncserver_DIR}/libvncserver/auth.c
	${libvncserver_DIR}/libvncserver/cargs.c
	${libvncserver_DIR}/libvncserver/corre.c
	${libvncserver_DIR}/libvncserver/cursor.c
	${libvncserver_DIR}/libvncserver/cutpaste.c
	${libvncserver_DIR}/libvncserver/draw.c
	${libvncserver_DIR}/libvncserver/font.c
	${libvncserver_DIR}/libvncserver/hextile.c
	${libvncserver_DIR}/libvncserver/httpd.c
	${libvncserver_DIR}/libvncserver/main.c
	${libvncserver_DIR}/libvncserver/rfbregion.c
	${libvncserver_DIR}/libvncserver/rfbserver.c
	${libvncserver_DIR}/libvncserver/rre.c
	${libvncserver_DIR}/libvncserver/scale.c
	${libvncserver_DIR}/libvncserver/selbox.c
	${libvncserver_DIR}/libvncserver/sockets.c
	${libvncserver_DIR}/libvncserver/stats.c
	${libvncserver_DIR}/libvncserver/translate.c
	${libvncserver_DIR}/libvncserver/ultra.c
	${libvncserver_DIR}/libvncserver/zlib.c
	${libvncserver_DIR}/libvncserver/zrle.c
	${libvncserver_DIR}/libvncserver/zrleoutstream.c
	${libvncserver_DIR}/libvncserver/zrlepalettehelper.c
	${libvncserver_DIR}/libvncserver/tight.c
	${libvncserver_DIR}/common/d3des.c
	${libvncserver_DIR}/common/turbojpeg.c
	${libvncserver_DIR}/common/vncauth.c)
endif()

set(x11vnc_SOURCES x11vnc-veyon.c
	${x11vnc_DIR}/src/appshare.c
	${x11vnc_DIR}/src/avahi.c
	${x11vnc_DIR}/src/rates.c
	${x11vnc_DIR}/src/cleanup.c
	${x11vnc_DIR}/src/remote.c
	${x11vnc_DIR}/src/pointer.c
	${x11vnc_DIR}/src/userinput.c
	${x11vnc_DIR}/src/unixpw.c
	${x11vnc_DIR}/src/gui.c
	${x11vnc_DIR}/src/xkb_bell.c
	${x11vnc_DIR}/src/xinerama.c
	${x11vnc_DIR}/src/solid.c
	${x11vnc_DIR}/src/selection.c
	${x11vnc_DIR}/src/xrandr.c
	${x11vnc_DIR}/src/win_utils.c
	${x11vnc_DIR}/src/cursor.c
	${x11vnc_DIR}/src/screen.c
	${x11vnc_DIR}/src/xevents.c
	${x11vnc_DIR}/src/help.c
	${x11vnc_DIR}/src/inet.c
	${x11vnc_DIR}/src/sslcmds.c
	${x11vnc_DIR}/src/xwrappers.c
	${x11vnc_DIR}/src/scan.c
	${x11vnc_DIR}/src/options.c
	${x11vnc_DIR}/src/user.c
	${x11vnc_DIR}/src/util.c
	${x11vnc_DIR}/src/x11vnc_defs.c
	${x11vnc_DIR}/src/xrecord.c
	${x11vnc_DIR}/src/8to24.c
	${x11vnc_DIR}/src/xdamage.c
	${x11vnc_DIR}/src/keyboard.c
	${x11vnc_DIR}/src/connections.c
	${x11vnc_DIR}/src/sslhelper.c
	${x11vnc_DIR}/src/linuxfb.c
	${x11vnc_DIR}/src/v4l.c
	${x11vnc_DIR}/src/macosx.c
	${x11vnc_DIR}/src/macosxCG.c
	${x11vnc_DIR}/src/macosxCGP.c
	${x11vnc_DIR}/src/macosxCGS.c
	${x11vnc_DIR}/src/xi2_devices.c
	${x11vnc_DIR}/src/uinput.c
)

set_source_files_properties(${x11vnc_SOURCES} ${libvncserver_SOURCES} PROPERTIES COMPILE_FLAGS "-Wno-unused-result -Wno-unused-function -Wno-unused-variable -Wno-unused-but-set-variable -Wno-misleading-indentation -Wno-deprecated-declarations -Wno-address -Wno-discarded-qualifiers -Wno-strict-aliasing -Wno-restrict -Wno-multistatement-macros")

endif()

set(WITH_PCH OFF)

build_veyon_plugin(builtin-x11vnc-server
	BuiltinX11VncServer.cpp
	X11VncConfigurationWidget.cpp
	X11VncConfigurationWidget.ui
	${libvncserver_SOURCES}
	${x11vnc_SOURCES}
	BuiltinX11VncServer.h
	X11VncConfigurationWidget.h
	X11VncConfiguration.h
)

if(VEYON_X11VNC_EXTERNAL)

target_compile_definitions(builtin-x11vnc-server PRIVATE VEYON_X11VNC_EXTERNAL)

else()

target_compile_definitions(builtin-x11vnc-server PRIVATE VNCSHARED FOREVER NOREPEAT=0 NOPW=1 REMOTE_CONTROL=0 EXTERNAL_COMMANDS=0 FILEXFER=0 NOGUI SMALL_FOOTPRINT)

target_include_directories(builtin-x11vnc-server PRIVATE ${x11vnc_DIR}/src)

target_link_libraries(builtin-x11vnc-server
	${X11_LIBRARIES}
	${X11_XTest_LIB}
	${X11_Xfixes_LIB}
	${X11_Xinerama_LIB}
	${X11_Xdamage_LIB}
	${X11_Xrandr_LIB}
)

if(LibVNCServer_FOUND)
	#target_include_directories(builtin-x11vnc-server PRIVATE ${3rdparty_DIR} ${x11vnc_DIR}/src)
	target_link_libraries(builtin-x11vnc-server LibVNC::LibVNCServer)
else()
	target_include_directories(builtin-x11vnc-server PRIVATE ${libvncserver_DIR}/libvncserver ${libvncserver_DIR}/common)
endif()

if(X11_XShm_FOUND)
target_link_libraries(builtin-x11vnc-server ${X11_XShm_LIB})
endif()

if(X11_Xcomposite_FOUND)
target_link_libraries(builtin-x11vnc-server ${X11_Xcomposite_LIB})
endif()

if(X11_Xcursor_FOUND)
target_link_libraries(builtin-x11vnc-server ${X11_Xcursor_LIB})
endif()

if(X11_Xinput_FOUND)
target_link_libraries(builtin-x11vnc-server ${X11_Xinput_LIB})
endif()

endif()
